Munificent 发表于 2025-3-28 17:35:25
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http://reply.papertrans.cn/16/1557/155692/155692_42.png鲁莽 发表于 2025-3-29 02:16:52
http://reply.papertrans.cn/16/1557/155692/155692_43.pngpromote 发表于 2025-3-29 03:25:45
http://reply.papertrans.cn/16/1557/155692/155692_44.png两种语言 发表于 2025-3-29 07:44:57
Logic and Set Theoryhow a few very important mathematical objects such as functions and relations can be formed from sets. Just as we have chosen to build mathematics using set theory, we will build set theory using logic.expeditious 发表于 2025-3-29 13:02:26
Goodstein’s Theoremment that it is hard to believe it is true. Second, while the theorem is entirely about . integers, Goodstein’s proof uses . ordinals. Third, 37 years after Goodstein’s proof appeared, L. Kirby and J. Paris proved that the use of infinite sets is actually ..That is, this is a theorem of arithmetic t香料 发表于 2025-3-29 15:38:43
http://reply.papertrans.cn/16/1557/155692/155692_47.pngoutskirts 发表于 2025-3-29 22:33:08
http://reply.papertrans.cn/16/1557/155692/155692_48.png无能性 发表于 2025-3-30 01:41:46
8楼干涉 发表于 2025-3-30 07:05:09
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